thierry itty wrote: > Hello > > On small sites, we have servers (linux rh 8, 9, or fc 4) acting as > internet routers, with a lan on one nic and an ethernet dsl modem on > another nic. > Sometimes the internet connection is lost and there no way to get it > back but to reset the modem (even rebooting the server doesn't make it, > it's really a modem frozen problem) > Instead of paying somebody to drive there and pull the AC plug from the > socket then push it in again, I decided to find some Remote Power > Control device which could allow the server to do that by itself when it > decides the modem is frozen. > I found some sort of such devices on the net : > - iBoot : http://www.connectworld.net/data_center/remote_reboot.HTM > - Sentry : > http://www.servertech.com/products/RemotePowerManagement/SentryIPM-2/ > - Sensatronics : http://www.openxtra.co.uk/product.php/34/1/ > - Adder : http://www.adder.com/main.asp?id=508_2075_23632&mode=Description > > Basically they seem to fit my needs, there are some important > requirements though : > - the device must handle 220V/50Hz AC > - the device must be able to be connected to the linux server, either > via ethernet ip, serial rs232 or usb and handled by it > - the device must accept commands via linux script (being as simple as > some "echo value > /dev/ttySx" or as complex as some "wget > http://device-ip-address/cgi/power?state=on";) and must not require a > browser with a java applet or whatever that can't be scripted > > I'd appreciate any advice and experience about such solutions, or other > for those who had addressed the same problem in a different way > > TIA > > Thierry > > You may want to consider using a UPS. Most of them will let you send a command to shut down, wait x, and restart. It has the added advantage that it may solve the modem problem, if it is power related. You will have to check prices, but a small smart UPS will probably cost less, because it is a larger volume product. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
